Although it's taken over 10 years to build the ISS up to what it is today, now that NASA's shuttle program has been shut down and Russia plans to discontinue the Soyuz craft in 2015, there's no reason to let the ISS float around in space along with other space junk. Thankfully, there's a future for privatized space travel, but they won't be using the ISS to get from Earth to point B.